检索结果-内蒙古大学图书馆

Atomic-Scale Dynamics of the Initial Stages of Cu and Cu Alloy Oxidation

Microscopy and Microanalysis 2024年第SUPPLEMENT_1期30卷

作者： Yang, Judith C Li, Meng Zakharov, Dmitri N McEver, Jack Greene Qiao, Linna Qu, Xiaohui Lu, Deyu Curnan, Matthew T House, Stephen D Gleason, Samuel Ciston, Jim Zhou, Guangwen Saidi, Wissam A Chemical and Petroleum Engineering Department University of Pittsburgh Pittsburgh PA United States Physics and Astronomy Department University of Pittsburgh Pittsburgh PA United States Center for Functional Nanomaterials Brookhaven National Lab Upton NY United States Materials Science and Engineering Program & Department of Mechanical Engineering State University of New York at Binghamton Binghamton NY United States Chemical Engineering Department Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk Republic of Korea Center for Integrated Nanotechnologies Sandia National Laboratories Albuquerque NM United States Chemistry Department University of California Berkeley CA United States National Center for Electron Microscopy The Molecular Foundry Lawrence Berkeley National Laboratory Berkeley CA United States Mechanical Engineering and Materials Science Department University of Pittsburgh Pittsburgh PA United States National Energy Technology Laboratory Pittsburgh PA United States

来源：评论

学校读者我要写书评

暂无评论

Deep learning-based air pollution analysis on carbon monoxide in Taiwan

引用

Ecological Informatics 2024年 80卷

作者： Cheng-Hong Yang Po-Hung Chen Chih-Hsien Wu Cheng-San Yang Li-Yeh Chuang Department of Information Management Tainan University of Technology Tainan Taiwan Department of Electronic Engineering National Kaohsiung University of Science and Technology Kaohsiung Taiwan Ph. D. Program in Biomedical Engineering Kaohsiung Medical University Kaohsiung Taiwan School of Dentistry Kaohsiung Medical University Kaohsiung Taiwan Drug Development and Value Creation Research Center Kaohsiung Medical University Kaohsiung Taiwan Division of Plastic and Reconstruction Surgery Department of Surgery Ditmanson Medical Foundation Chia-Yi Christian Hospital Chia-Yi Taiwan Department of Chemical Engineering and Institute of Biotechnology and Chemical Engineering I-Shou University Kaohsiung Taiwan

Global air pollution poses a threat to humanity. Specifically, CO directly affects cardiovascular and other organ tissues and leads to numerous chronic diseases and major public health problems. The effective implementation of a deep learning model for predicting variations in CO levels would enable the early formulation of policies for controlling air pollution. In this study, a seasonal gated recurrent unit (SGRU) model, which is a deep learning time-series prediction model, was developed to predict the levels of CO in Taiwan. Atmospheric CO measurements from 2005 to 2021 were collected from the Environmental Protection Administration of Taiwan and preprocessed using the Kalman filter to achieve accurate forecasting. The performance of the proposed SGRU model was compared with that of the autoregressive integrated moving average (ARIMA), seasonal ARIMA, exponential smoothing (ETS), Holt–Winters ETS, support vector regression, and seasonal long short-term memory models in terms of mean absolute percentage error (MAPE) and root mean square error. The SGRU model achieved the lowest MAPE value of 0.94, which demonstrated its superior performance. The construction of an accurate air pollution prediction model can assist government entities in formulating health and social care strategies and in planning future air pollution control measures.

关键词： Air pollution Carbon Monoxide (CO) Deep learning Seasonal gated recurrent unit (SGRU)

来源：评论

学校读者我要写书评

暂无评论

Small molecule tractable PARP inhibitors: Scaffold construction approaches, mechanistic insights and structure activity relationship

引用

Bioorganic Chemistry 2023年 141卷 106893页

作者： Thakur, Amandeep Rana, Mandeep Ritika Mathew, Jacob Nepali, Sanya Pan, Chun-Hsu Liou, Jing Ping Nepali, Kunal School of Pharmacy College of Pharmacy Taipei Medical University Taipei 110031 Taiwan College of Medicine Taipei Medical University Taipei 110031 Taiwan Department of Chemical Engineering National Taiwan University of Science and Technology Taipei 106335 Taiwan Manipal School of Life Sciences Manipal Academy of Higher Education Manipal 576104 India Ph.D. Program in Drug Discovery and Development Industry College of Pharmacy Taipei Medical University Taiwan

Diverse drug design strategies viz. molecular hybridization, substituent installation, scaffold hopping, isosteric replacement, high-throughput screening, induction and separation of chirality, structure modifications of phytoconstituents and use of structural templates have been exhaustively leveraged in the last decade to load the chemical toolbox of PARP inhibitors. Resultantly, numerous promising scaffolds have been pinpointed that in turn have led to the resuscitation of the credence to PARP inhibitors as cancer therapeutics. This review briefly presents the physiological functions of PARPs, the pharmacokinetics, and pharmacodynamics, and the interaction profiles of FDA-approved PARP inhibitors. Comprehensively covered is the section on the drug design strategies employed by drug discovery enthusiasts for furnishing PARP inhibitors. The impact of structural variations in the template of designed scaffolds on enzymatic and cellular activity (structure–activity relationship studies) has been discussed. The insights gained through the biological evaluation such as profiling of physicochemical properties and in vitro ADME properties, PK assessments, and high-dose pharmacology are covered. © 2023 Elsevier Inc.

关键词： BRCA mutations Cancer DNA damage Molecular hybridization PARP inhibitors Scaffold hopping Tumor

来源：评论

学校读者我要写书评

暂无评论

Erratum to “Heusler alloys: Past, properties, new alloys, and prospects” [Progress Mater. Sci. 132 (2023) 101017]

引用

Progress in Materials science 2023年 137卷

作者： Sheron S. Tavares Kesong Yang Marc A. Meyers Materials Science and Engineering Program University of California San Diego 92093-0418 USA Department of Nano and Chemical Engineering University of California San Diego 92093-0448 USA Center for Memory and Recording Research University of California San Diego 92093-040 USA Department of Mechanical and Aerospace Engineering University of California San Diego 92093-0411 USA

来源：评论

学校读者我要写书评

暂无评论

Correction: Formulated poly (butyl vinyl ether) adhesives as alternative materials for direct ink writing (DIW) 3D printing

引用

MRS Communications 2023年第1期14卷 129-129页

作者： Nguyen, Anh Elahee, G. M. Fazley Cheng, Xiang Patten, Charles Rong, Lihan Breting, Chase Bonilla-Cruz, Jose Ceniceros, Tania Ernestina Lara Smith, Zane Ge, Jin Xu, Mingwei Yang, Matthew Advincula, Rigoberto Department of Chemical and Biomolecular Engineering Department of Materials Science and Engineering and Institute for Advanced Materials and Manufacturing (IAMM) The University of Tennessee Knoxville USA Department of Macromolecular Sciences and Engineering Case Western Reserve University Cleveland USA Advanced Functional Materials and Nanotechnology Group Centro de Investigación en Materials Avanzados S. C. (CIMAV-Unidad Monterrey) Apodaca Mexico Center for Nanophase Materials and Sciences Oak Ridge National Laboratory Oak Ridge USA

来源：评论

学校读者我要写书评

暂无评论

Perovskite superlattices with efficient carrier dynamics

Research Square

引用

Research Square 2021年

作者： Xu, Sheng Lei, Yusheng Li, Yuheng Lu, Chengchangfeng Yan, Qizhang Gong, Huaxin Zhang, Song Zhou, Jiayun Zhang, Ruiqi Chen, Yimu Tsai, Hsinhan Gu, Yue Hu, Hongjie Lo, Yu-Hwa Nie, Wanyi Lee, Taeyoon Luo, Jian Yang, Kesong Jang, Kyung-In Department of Nanoengineering University of California San Diego La Jolla CA92093-0448 United States Department of Chemical Engineering Stanford University StanfordCA94305 United States Department of Electrical and Computer Engineering University of California San Diego La Jolla CA92093 United States Material Science and Engineering Program University of California San Diego La Jolla CA92093-0418 United States Los Alamos National Laboratory Los AlamosNM87545 United States School of Electrical and Electronic Engineering Yonsei University Seoul03722 Korea Republic of Department of Bio and Brain Engineering Korea Institute of Science and Technology Korea Republic of Department of Robotics Engineering Daegu Gyeongbuk Institute of Science and Technology Daegu42988 Korea Republic of Department of Bioengineering University of California San Diego La Jolla CA92093-0412 United States

Compared with their three-dimensional counterparts, low-dimensional metal halide perovskites with periodic inorganic/organic structures have shown promising stability and hysteresis-free electrical performance, which paves the way for next-generation optoelectronic devices. However, when integrated in devices, they have relatively limited efficiencies because devices usually require carrier transport through the film thickness direction. In conventionally grown single crystals, the carrier transport in the thickness direction is hindered by the insulating organic spacers. In addition, the strong quantum confinement from the organic spacers limits the generation and transport of free carriers. The carrier dynamics is further compromised by the presence of grain boundaries in polycrystals. Here, we report a low-dimensional metal halide perovskite superlattice with efficient carrier transport in three dimensions by epitaxial growth. Epitaxy on a slightly lattice-mismatched substrate compresses the organic spacers in the superlattice, which weakens the quantum confinement and further improves carrier dynamics. The performance of a low-dimensional perovskite superlattice solar cell has been certified under the quasi-steady state for the first time. Moreover, the device shows an unusually high open-circuit voltage, due to a unique intra-band exciton relaxation mechanism. © 2021, CC BY.

关键词： Grain boundaries

来源：评论

学校读者我要写书评

暂无评论

Small-molecule fluorescent probes for detecting hydrogen peroxide in biological systems

引用

Coordination Chemistry Reviews 2025年 541卷

作者： Zhou, Yongqing Yang, Xiaofeng Lee, Hosoowi Yan, Mei Yoon, Juyoung School of Chemistry and Chemical Engineering University of Jinan Jinan 250022 China Department of Chemistry and Nanoscience Ewha Womans University Seoul 03760 China Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science MOE College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao 266042 China Gradutate Program in Innovative Biomaterials Convergence Ewha Womans University Seoul 03760 China

Hydrogen peroxide (H2O2) is a pivotal member of the reactive oxygen species and an essential signaling molecule that participates in numerous biological activities. Abnormal variations in H2O2 levels are associated wi... 详细信息

Hydrogen peroxide (H₂O₂) is a pivotal member of the reactive oxygen species and an essential signaling molecule that participates in numerous biological activities. Abnormal variations in H₂O₂ levels are associated with some certain symptoms and diseases, such as liver injury, Alzheimer's disease, Parkinson's disease, and cancer. To date, small-molecule fluorescent probes have been regarded as powerful tools for monitoring changes in intracellular reactive molecules. Therein, masses of H₂O₂-responsive small-molecule fluorescent probes have been widely constructed and used to investigate the dynamic changes, distributions and important roles and functions of H₂O₂ in living systems. To provide a comprehensive understanding of the characteristics of these reported small-molecule fluorescent probes, this review summarizes their design strategies, detection mechanisms, biological applications, and contributions to pathogenesis exploration. Importantly, we aim for this review to contribute to the development of a new generation of high-quality fluorescent probes for monitoring H₂O₂ fluctuations in biological systems. © 2025 Elsevier B.V.

关键词： Biological applications Design strategies Hydrogen peroxide Small-molecule fluorescent probes

来源：评论

学校读者我要写书评

暂无评论

Evaluating the environmental occurrence of per- and polyfluoroalkyl substances (PFAS) and potential exposure risk for recreational shellfish harvesters in the Great Bay Estuary, New Hampshire

引用

The science of the total environment 2025年 986卷 179747页

作者： Christine L Gardiner Jonathan M Petali Celia Y Chen Nathan G Giffard Sujan Fernando Thomas M Holsen Juby R Varghese Megan E Romano Kathryn A Crawford Department of Biological Sciences Dartmouth College Hanover NH USA. Environmental Health Program New Hampshire Department of Environmental Services Concord NH USA Battelle Memorial Institute Columbus OH USA. Center for Air Resources Engineering and Science Clarkson University Potsdam NY USA. Center for Air Resources Engineering and Science Clarkson University Potsdam NY USA Department of Chemical and Biomolecular Engineering Clarkson University Potsdam NY USA. Department of Epidemiology Geisel School of Medicine at Dartmouth Lebanon NH USA. Environmental Studies Program Middlebury College Middlebury VT USA. Electronic address: kcrawford@middlebury.edu.

BACKGROUND:Shellfish may be an important contributor to PFAS exposure from seafood consumption. Yet, shellfish consumption patterns are distinct from other seafood varieties and PFAS exposure via shellfish consumption has not been well studied, especially among recreational harvesters who may be exposed to PFAS through direct consumption of shellfish, incidental ingestion of sediment, and dermal absorption. METHODS:Collocated surface water, sediment, and bivalve shellfish samples were collected in the Great Bay Estuary, a prominent estuary in New Hampshire, USA with multiple known PFAS sources. All media were analyzed for 27 PFAS compounds via UPLC-MS/MS. Human health risk of PFAS exposure from recreational shellfish harvesting was estimated for typical and high seafood consumers across multiple exposure routes using available health guidance values. RESULTS:PFAS were detected in all Great Bay water, sediment, and shellfish samples. PFAS concentrations varied spatially, and profiles varied by media type, with shorter chain compounds found in water and longer chain compounds found in sediment and shellfish. For adults, PFAS exposure risk from recreational shellfish harvesting was greatest from direct consumption of shellfish (>99 % of estimated daily PFAS dose), followed by dermal absorption and incidental sediment ingestion. For children, dermal absorption and incidental ingestion were also important, contributing up to 10 % of estimated daily exposure. PFAS exposure risk from consuming razor clams exceeded the reference hazard quotient of 1 for multiple compounds among the general population that consumes typical or greater amounts of seafood, and among persons of childbearing age and young children who consume high amounts of seafood. CONCLUSIONS:High frequency recreational shellfish harvesting and consumption may increase exposure to certain PFAS.

关键词： Bivalves Exposure pathways Per- and polyfluoroalkyl substances (PFAS) Risk assessment Seafood consumption Sediment Water

来源：评论

学校读者我要写书评

暂无评论

Towards an effective environmental impact assessment (EIA) in the industrial sector of Bahrain, Arabian Gulf

引用

Arab Journal of Basic and Applied sciences 2019年第1期26卷 113-124页

作者： Yaqoob, Mustafa E. Naser, Humood A. Elkanzi, E.M. Janahi, Essam M. Environment and Sustainable Development Program College of Science University of Bahrain Bahrain Department of Biology College of Science University of Bahrain Bahrain Department of Chemical Engineering University of Bahrain Isa Town Bahrain Department of Biology College of Science University of Bahrain Bahrain

Rapid economic and industrial developments and population growth in Bahrain are associated with increases in energy demand and greenhouse gas emissions. An Environmental Impact Assessment (EIA) process has been adopted in the country to address environmental aspects within energy intensive projects such as oil and petrochemical industries. The quality of EIA reports with respect to energy conservation and gas emissions was investigated in this study. The results obtained showed that aspects of gas emissions received more attention than energy conservation. The reports reflected a good (75%) and satisfactory (25%) consideration of air quality. Considering the efficiency and energy consumption aspects, the reports were assessed as satisfactory (25%), borderline (50%) and poor (25%) quality. A framework to be used as a platform to integrate the EIA process, environmental management systems (EMS) and energy management systems (EnMS) was suggested. Enforcement of legislations to ensure efficient use of energy within the industrial sector, adopting strategic environmental assessment (SEA) practice in the country and linking it to energy planning, and encouraging industrial firms to adopt EnMS to play the role of adhering to EIA mitigation measures were recommended. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of the University of Bahrain.

关键词： emission reduction Energy conservation industrial projects

来源：评论

学校读者我要写书评

暂无评论

Ultrastrong and Heat-Resistant Poly(ether ether ketone) Separator for Dendrite-Proof and Heat-Resistant Lithium-Ion Batteries

引用

ACS APPLIED ENERGY MATERIALS 2019年第5期2卷 3886-3895页

作者： Liu, Junchen Mo, Yudi Wang, Shuanjin Ren, Shan Han, Dongmei Xiao, Min Sun, Luyi Meng, Yuezhong The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province State Key Laboratory of Optoelectronic Materials Technologies School of Materials Science and Engineering Sun Yat-sen University Guangzhou 510275 P. R. China Polymer Program Institute of Materials Science and Department of Chemical & Biomolecular Engineering University of Connecticut Storrs Connecticut 06269 United States

Separators are a pivotal component of lithium-ion batteries (LIBs) due to their vital role in maintaining a good ionic flow and preventing internal short circuit. The separators with superior thermal stability, ultrahigh mechanical strength, and excellent electrolyte wettability are essential for ensuring the safety and energy density of LIBs. Herein, an ultrastrong poly(ether ether ketone) (PEEK) separator is fabricated via thermally induced phase separation using a binary diluent for the first time, which maintains the intrinsic outstanding properties of a PEEK resin. Computational simulation and experimental verification are performed to optimize fabrication conditions. The as-prepared PEEK separator with high porosity (70.3%) shows a tortuous and three-dimensional porous structure;furthermore, the abundant polar groups on PEEK endow the separator with excellent electrolyte wettability (contact angle of 19 degrees and electrolyte uptake of 387%). Notably, the PEEK separator exhibits excellent thermal stability (almost no shrinkage at 300 degrees C), flame resistance, and ultrastrong mechanical strength (tensile strength of 124 MPa, Young's modulus of 7.84 GPa, and puncture strength of 10.5 MPa), which can avoid short circuit and greatly guarantee the safety of LIBs. In particular, the PEEK separator presents excellent interfacial compatibility and both a higher ionic conductivity (1.57 mS cm(-1)) and lithium-ion transference number (0.55). Significantly, the PEEK-based LiFePO4/Li cell displays a very stable cycle performance and better rate capability. In addition, the PEEK-based lithium-sulfur cell also shows better battery performance than a commercial polyethylene-based cell. Consequently, the specially fabricated PEEK separator is a promising separator candidate for enhanced safety and electrical performance of lithium-ion and lithium-sulfur batteries.

关键词： separator poly(ether ether ketone) thermally induced phase separation lithium-ion batteries lithium-sulfur batteries

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：